Last week the U.S. Preventive Services Task Force unleashed a maelstrom with its recommendations that women need mammograms less frequently, with regular breast-cancer screening starting at age 50, not 40, and only biennially, not yearly.
The Task Force said it was responding to data showing that routine mammograms starting at age 40, as long recommended, rarely save lives and more often result in a misdiagnosis — detection of a breast cancer that's either benign or growing too slowly to be of worry. This, in turn, leads to unnecessary anxiety and debilitating treatment.
Yet nearly all health experts will agree that the benefits of most health screening techniques are either exaggerated by the health community or misunderstood by the public. A few discounted ones are the following:
PSA testing: prostate-specific antigen blood test
DEXA: Dual energy X-ray absorptiometry (DEXA or DXA)
Full-body scans
Home menopause test
Home Alzheimer's test
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